Vulnerability · Published Apr 23, 2021 · Assigned by tenable
CVE-2021-20089
High 8.8
In plain English
A high-severity security flaw in purl. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities).
Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.6%top 24.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in purl 2.3.2 allows a malicious user to inject properties into Object.prototype.